Improvement in stud and button fastenings



P H.L0NG.

' Stud ndfButton-Fastenings1 No, 146,396I Y Panenmllam.13,1874.`

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@wi-F vUNITED STATES PHILIP 'H. LONG, OF NEWARK, NEW JERSEY.

IMPROVEMENT IN STUD AND BUTTON FASTENINGS.

Specification forming part of Letters Patent No. 146,396, dated J anliary 13, 1874 application filed December 20, 1873.

Newark, in the county of Essex andH State of New Jersey, have invented a new and useful Improvement in LoekAction Stud and Button Fastening, of which the followingis a speciication:

This invention relates to the construction of stud and button fastenings for shirt-bosolns, collars, wristbands, Svc.; and consists in a stud or button and base, so constructed that the two are securely fastened together by turning the stud or button a part of a revolution, and

unfastened by a reverse movement.

In thel accompanying drawing, Figure 1 represents an outsideview of a shirt-stud of actual size, constructed according to my invention. Fig. 2 is a view ofthe base with the covering- .plate off, it being a section of Fig. 1 taken on the line x w. Fig. 3 is a verticalsection of Fig. l taken on the line y y. Fig. 4 is the upper or keyhole plate, which is made to slide when the stud is turned. Fig. 5 is a stationary guide-plate. Fig. 6 is avibrating-plate, which is placed transversely on the plate 7 or the lower plate. Fig. 7 is the lower plate, which rests on the concave of the base. Fig. 8 is a spring, (seen in Fig. 2, and in dotted lines in Fig. 7.)

Similar letters of reference indicate correspondin g parts.

A is the stud proper, having a stem, B, on the end of which is the conical key C and neck D. A cross-section of the key is nearly repre sented in the center of Fig. 6. p

As the key is inserted, it passes through the plates 4 and 5, and enters the orice E in Fig.. 6; and as it is turned the plate, Fig. 6, is moved or vibrated on the plate 7. This move ment is sufficient to change the pressure of the spring F from the surface G to the surface H Y of the plate 6, the spring being fastened or at= tached to the plate 7. When the plate 6 moves, it moves the key-plate 4, which slides longi= tudinally, so that the small part I of the hole J of plate 4 incloses the neck D of the stem B,

and securely locks the stud. To accomplish,

this locking action, the stud is turned only about one-fourth of a revolution.

The plate 5 is stationary, and keeps the plate 4 in place. The lip K of the plate 4 drops down, and enters the space L between the fingers m m of the plate 6. This plate 6 is placed crosswise, so that, as it is vibrated by the key, it causes the plate 4 to slide on the plate 5, and lock the stud, as before described. N is the covering-plate, having a tube, O, for the support of thestem B of the stud.

By this locking device the stud is securely fastened and unfastened by a slight turn, the pressure of the spring against the plate 6 being sufficient to hold the parts in position.

The orice P in the stationary plate 5 sim.

ply allows the key to reach the yibratin g plate 6. The orice in the plate 7 receives aange (indicated by dotted lines on the `plate 6) for` i as new and desire to secure by Letters Patent- A stud or button fastening, composed of key y C and neck D, in combination with plates 4, 5, 6, and 7, and spring F, arranged substantially as shown and described,-

PHILIP E. LONG.

Witnesses T. B. MosHEE, ALEX. F. ROBERTS. 

